The present invention provides a method for displaying a price variation amount. An embodiment of the present invention relates to the method for displaying a price variation amount on multiple real estate units which are a price management subject in a device for displaying a price variation amount. The method comprises : a step of displaying a first icon indicating multiple first real estate units which are the price management subject positioned in a first map area on a screen of the device for displaying the amount of price variation; a step of displaying a price variation indicator indicating the price variation amount during a designated period on each of the multiple first real estates which are the price management subject by being adjacent to the first icon without additional a user input, wherein the level of the price variation indicator indicates the level of the price variation amount and the color of the price variation indicator indicates increase and decrease of the price; a step of displaying a second icon indicating multiple second real estate units which are the price management subject positioned in a second map area on the screen of the device for displaying a price variation amount by responding to the user input, wherein the second map area has an area at least partially overlapping the first map area; and a step of displaying the price variation indicator indicating the price variation amount during the designated period on each of the multiple second real estate units which are the price management subject by being adjacent to the second icon without the additional user input.(250) Second current sensor(260) Differential amplifier(270) Control computer(280) Display LED(AA) Start(BB) End(S100) Displaying a digital map on a geographical area in which multiple real estates in which prices are managed are positioned(S200) Receiving an input regarding a reference time point of an amount of price fluctuation from a user(S300) Inquiring an amount of price fluctuation between the reference time point and a current time point(S400) Overlaing a price fluctuation indicator indicating an amount of price fluctuation at each position of the plurality of price management target properties to be displayedCOPYRIGHT KIPO 2018